Johannes, Johny. “Improving Student Learning Outcomes in Odd Semester Integrated Science Lessons in Class VIII-7 Free Learning Curriculum Using Lectures Plus Demonstration and Exercise Methods at UPT SPF SMP Negeri 2 Sunggal 2022/2023 Academic Year)”. Journal of Educational Analytics 1, no. 3 (November 30, 2022): 321–332. Accessed May 5, 2026. https://journal.formosapublisher.org/index.php/jeda/article/view/1735.